List of Famous people who died in 1978

Alfred Müller-Armack was a German economist and politician. He coined the term "social market economy" in 1946.

Guido Stampacchia was a 20th-century Italian mathematician, known for his work on the theory of variational inequalities, the calculus of variation and the theory of elliptic partial differential equations.

Otto Steinert was a German photographer.

Jean Acker was an American actress with a career dating from the silent film era through the 1950s. She was perhaps best known as the estranged wife of silent film star Rudolph Valentino.

Lieutenant Colonel Andrew Beauchamp St John, 21st Baron St John of Bletso TD was an English peer.

Cordy Milne was an American international motorcycle speedway rider who finished third in the 1937 Speedway World Championship final, behind his brother Jack and second placed Wilbur Lamoreaux. All three riders came from Pasadena, California.

Jean Guéhenno born Marcel-Jules-Marie Guéhenno was a French essayist, writer and literary critic.

Ben Gage was an American radio singer and announcer, occasional off-screen film singer dubbing the voice of non-singing actors, and television actor active from 1937 to 1975. Born in Chicago, Illinois, he was married to film star Esther Williams.

Victor Hasselblad was a Swedish inventor and photographer, known for inventing the Hasselblad 6x6 cm medium format camera.